yath/ghidra-xtensa
1
0
Fork 1
mirror of https://github.com/yath/ghidra-xtensa.git synced 2025-08-02 02:14:31 +02:00
Code Issues Packages Projects Releases Wiki Activity

add some unimpl fpu insns

Browse Source
This commit is contained in:
Shawn Hoffman
2021-05-03 23:44:34 -07:00
committed by Sebastian Schmidt
parent 08cb358913
commit fa550ba9d2
1 changed files with 24 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
data/languages/xtensaTodo.sinc
View File

@@ -52,3 +52,27 @@
:mula.aa.* as, at is op2 = 0b0001 & u2_18.19 = 0b01 & ar = 0 & as & at & op0 = 0b0100 unimpl :mula.aa.* as, at is op2 = 0b0001 & u2_18.19 = 0b01 & ar = 0 & as & at & op0 = 0b0100 unimpl
# FIXME: Add remaining MUL.* opcodes. # FIXME: Add remaining MUL.* opcodes.
# TODO this produces correct pcode, tho it would be nicer to display the float in disasm as well
# +0.0 +1.0 +2.0 +0.5
const.s_imm: tmp is as=0 [ tmp = 0x00000000; ] { export *[const]:4 tmp; }
const.s_imm: tmp is as=1 [ tmp = 0x3F800000; ] { export *[const]:4 tmp; }
const.s_imm: tmp is as=2 [ tmp = 0x40000000; ] { export *[const]:4 tmp; }
const.s_imm: tmp is as=3 [ tmp = 0x3F000000; ] { export *[const]:4 tmp; }
:const.s fr, const.s_imm is op2=0b1111 & op1=0b1010 & fr & const.s_imm & at=0b0011 & op0=0 {
fr = float2float(const.s_imm);
}
# Stub out some insns which mainly appear in boilerplate library functions...
:div0.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b0111 & op0=0 unimpl
:sqrt0.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b1001 & op0=0 unimpl
:nexp01.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b1011 & op0=0 unimpl
:mksadj.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b1100 & op0=0 unimpl
:mkdadj.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b1101 & op0=0 unimpl
:addexp.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b1110 & op0=0 unimpl
:addexpm.s fr, fs is op2=0b1111 & op1=0b1010 & fr & fs & at=0b1111 & op0=0 unimpl
:maddn.s fr, fs, ft is op2=0b0110 & op1=0b1010 & fr & fs & ft & op0=0 unimpl
:divn.s fr, fs, ft is op2=0b0111 & op1=0b1010 & fr & fs & ft & op0=0 unimpl